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    As

    Arsenic

    Metalloid

    Atomic Number: 33 • Atomic Mass: 74.9220 u • Period: 4 • Group: 15

    Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p³
    Phase: Solid
    Electronegativity: 2.18
    Germanium (Ge)Selenium (Se)
    OverviewPropertiesAtomic StructureOccurrenceApplicationsHistory

    Applications

    Arsenic has a wide range of applications in various industries, including:

    • Wood preservatives
    • Pesticides
    • Semiconductors